Rank	Countries/Territories	Count	Percent
1	United States	421	40.5%
2	China	309	29.7%
3	Germany	87	8.4%
4	Australia	48	4.6%
5	France	26	2.5%
6	Japan	20	1.9%
7	India	17	1.6%
8	Ireland	14	1.3%
9	Netherlands	14	1.3%
10	Singapore	14	1.3%
11	United Kingdom	8	0.8%
12	Cyprus	7	0.7%
13	Canada	5	0.5%
14	Argentina	4	0.4%
15	Indonesia	4	0.4%
16	Switzerland	4	0.4%
17	Taiwan	3	0.3%
18	Hong Kong	3	0.3%
19	Egypt	3	0.3%
20	Finland	2	0.2%
21	Austria	2	0.2%
22	Bangladesh	2	0.2%
23	Barbados	2	0.2%
24	Sweden	2	0.2%
25	Nigeria	2	0.2%
26	Philippines	2	0.2%
27	Korea, Republic of	2	0.2%
28	Mongolia	1	0.1%
29	Italy	1	0.1%
30	Russia	1	0.1%
31	Norway	1	0.1%
32	Slovakia	1	0.1%
33	South Africa	1	0.1%
34	Ukraine	1	0.1%
35	Viet Nam	1	0.1%
36	Ecuador	1	0.1%
37	Ethiopia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Greece	1	0.1%